Nuclear Fallout is a pseudo-board wipe that deals with most creatures at a moderate cost, pumping two extra mana into it will deal -4/-4 to the board and give two rad counters to each player
I remember running my hand along the side of a centuries-old Viking ship and feeling the wood grain worn smooth by lifetimes of adventure
Anything that costs three mana in Yuriko can become awkward to cast, as youll rarely have more than three mana on your third turn
There are certainly going to be a few more gems-heck, the entire rest of the set might be amazing, for all we know-but chances are, WotC picked the best eighteen rares in the set to use as Ultimate Box Toppers
Factor in nice incidental synergies with cards like Mox Amber, and Wan Shi Tong is the clear frontrunner of Avatar
Stopping a Dark Ritual might not seem like a huge problem, but doing so could stop a Storm deck from resolving a bomb like Necropotence or Yawgmoth's Bargain